New Music: Ke$ha - "Tease Me"

Britney Spears has confirmed a full list of UK tour dates

The 'Till The World Ends' singer will bring her 'Femme Fatale' tour to cities including London, Manchester and Birmingham.

Entertainment Tonight Preview - Femme Fatale Special

Jessie J joins Katy Perry's California Dreams tour

Before she kicks things off in Atlanta Tuesday night, Katy Perry has announced five additional dates and one new opening act for the North American leg of her California Dreams tour. British singer Jessie J will perform alongside Perry beginning in November, at major venues like New York’s Madison Square Garden, L.A.’s Staples Center and Mandalay Bay in Las Vegas.

‘The Edge of Glory’ Video Director Announced

Single cover for Britney Spears' "I Wanna Go"

New music: Kelly Rowlegend feat. Busta Rhymes, Trey Songz + Fabulous - "Motivation" (Remix)

Music Video: Alexandria Stan - "Get Back (ASAP)"